Properties of 2D shapes
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This document describes the properties of common 2D shapes including circles, semi-circles, triangles, squares, rectangles, pentagons, hexagons, and octagons. For each shape, it lists the number of sides, corners, types of angles, and lines of symmetry. The shapes range from having zero sides and corners for a circle to eight sides and corners for an octagon.
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This document defines and provides examples of basic geometric shapes including points, lines, planes, angles, triangles, squares, rectangles, circles, cylinders, spheres, pyramids and more. Each shape is defined and an everyday example is given to illustrate how the shape appears in the real world, such as street lines, TV screens, buildings, and dice. The examples show how the simple geometric properties make the shapes useful for structures, maps, and other applications.
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Properties of 2D shapes
- 1. 2D Shapes Properties of 2D shapes
- 2. Circle and Semi-Circle Name: Semi-Circle Sides: Two Corners: Two Name: Circle Sides: One Angle: Obtuse Corners: Zero Lines of Symmetry: One Angle: Reflex Lines of Symmetry: Two
- 3. Triangle Name: Triangle Sides: Three Corners: Three Angle: Acute Lines of Symmetry: One
- 4. Square and Rectangle Name: Square Name: Rectangle Sides: Four Sides: Four Corners: Four Corners: Four Angle: Right angle Angle: Right angle Lines of Symmetry: Four Lines of Symmetry: Four
- 5. Pentagon Name: Pentagon Sides: Five Corners: Five Angle: Right angle Lines of Symmetry: One
- 6. Hexagon Name: Hexagon Sides: Six Corners: Six Angle: Right & Obtuse Lines of Symmetry: Six
- 7. Octagon Name: Octagon Sides: Eight Corners: Eight Angle: Right angle Lines of Symmetry: Two